CA1305300C - Process for producing a porous film - Google Patents

Process for producing a porous film

Info

Publication number
CA1305300C
CA1305300C CA000525608A CA525608A CA1305300C CA 1305300 C CA1305300 C CA 1305300C CA 000525608 A CA000525608 A CA 000525608A CA 525608 A CA525608 A CA 525608A CA 1305300 C CA1305300 C CA 1305300C
Authority
CA
Canada
Prior art keywords
film
weight
parts
porous film
particle size
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA000525608A
Other languages
English (en)
French (fr)
Inventor
Hisatosi Suzuki
Shuji Matsumura
Syoichi Tsuji
Syoichi Ito
Michiyasu Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Toatsu Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Application granted granted Critical
Publication of CA1305300C publication Critical patent/CA1305300C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/47—Processes of splitting film, webs or sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Prostheses (AREA)
  • Polymerisation Methods In General (AREA)
  • Lubricants (AREA)
CA000525608A 1985-12-23 1986-12-17 Process for producing a porous film Expired - Lifetime CA1305300C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP287909/1985 1985-12-23
JP60287909A JPS62148537A (ja) 1985-12-23 1985-12-23 多孔性フイルムの製造法

Publications (1)

Publication Number Publication Date
CA1305300C true CA1305300C (en) 1992-07-21

Family

ID=17723294

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000525608A Expired - Lifetime CA1305300C (en) 1985-12-23 1986-12-17 Process for producing a porous film

Country Status (10)

Country Link
US (1) US4921652A (enrdf_load_stackoverflow)
EP (1) EP0227037B1 (enrdf_load_stackoverflow)
JP (1) JPS62148537A (enrdf_load_stackoverflow)
KR (1) KR900003046B1 (enrdf_load_stackoverflow)
CN (1) CN1014064B (enrdf_load_stackoverflow)
AU (1) AU595565B2 (enrdf_load_stackoverflow)
CA (1) CA1305300C (enrdf_load_stackoverflow)
DE (1) DE3680493D1 (enrdf_load_stackoverflow)
NO (1) NO169080C (enrdf_load_stackoverflow)
NZ (1) NZ218669A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6034010A (en) 1995-06-06 2000-03-07 Kimberly-Clark Worldwide, Inc. Microporous fabric containing a microbial adsorbent
US6110479A (en) 1995-06-06 2000-08-29 Kimberly-Clark Worldwide, Inc. Microporous film containing a microbial adsorbent

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8723608D0 (en) * 1987-10-08 1987-11-11 Hercules Inc Uniaxially oriented film
NL8901872A (nl) * 1989-07-20 1991-02-18 Stamicarbon Dunne zelfdragende anorganische groenlingen, en werkwijze voor het bereiden van dergelijke groenlingen.
US5340646A (en) * 1991-04-26 1994-08-23 Mitsui Toatsu Chemicals, Inc. Breathable, hydrolyzable porous film
JP3299826B2 (ja) * 1993-10-05 2002-07-08 株式会社ユポ・コーポレーション 印刷性の優れた白色樹脂フィルム
CA2116081C (en) 1993-12-17 2005-07-26 Ann Louise Mccormack Breathable, cloth-like film/nonwoven composite
US5762643A (en) * 1994-11-03 1998-06-09 Tredegar Industries, Inc. Vacuum assisted application of thin vapor permeable, liquid impermeable coatings on apertured substrates and articles produced therefrom
ZA9510604B (en) 1994-12-20 1996-07-03 Kimberly Clark Co Low gauge films and film/nonwoven laminates
KR0167152B1 (ko) * 1995-04-18 1999-03-20 안시환 백색 다공성 고분자 필름
US5843057A (en) † 1996-07-15 1998-12-01 Kimberly-Clark Worldwide, Inc. Film-nonwoven laminate containing an adhesively-reinforced stretch-thinned film
US6776947B2 (en) * 1996-07-31 2004-08-17 Exxonmobil Chemical Company Process of adjusting WVTR of polyolefin film
USH1955H1 (en) 1996-07-31 2001-04-03 Exxon Chemical Patents Inc. Polyolefin/filler films having increased WVTR and method for making
US6258308B1 (en) 1996-07-31 2001-07-10 Exxon Chemical Patents Inc. Process for adjusting WVTR and other properties of a polyolefin film
US5910136A (en) * 1996-12-30 1999-06-08 Kimberly-Clark Worldwide, Inc. Oriented polymeric microporous films with flexible polyolefins
US5947944A (en) * 1996-12-30 1999-09-07 Kimberly-Clark Worldwide, Inc. Stretched-thinned films comprising low crystallinity polymers and laminates thereof
US6045900A (en) * 1997-09-15 2000-04-04 Kimberly-Clark Worldwide, Inc. Breathable filled film laminate
US6238767B1 (en) 1997-09-15 2001-05-29 Kimberly-Clark Worldwide, Inc. Laminate having improved barrier properties
US6909028B1 (en) 1997-09-15 2005-06-21 Kimberly-Clark Worldwide, Inc. Stable breathable elastic garments
US6013151A (en) * 1998-05-15 2000-01-11 Clopay Plastic Products Company, Inc. High speed method of making microporous film products
US6656581B2 (en) 1998-05-15 2003-12-02 Clopay Plastic Products Company, Inc. Incrementally stretched non-embossed films having high moisture vapor transmission rates (MVTRs)
US20020074691A1 (en) * 1999-09-14 2002-06-20 Robert M Mortellite High speed method of making plastic film and nonwoven laminates
BE1012087A4 (fr) * 1998-07-24 2000-04-04 Age S A Films microporeux polyolefiniques permeables aux gaz et impermeables aux liquides
US6265045B1 (en) * 1998-07-29 2001-07-24 Clopay Plastic Products Company, Inc. Method and apparatus for pin-hole prevention in zone laminates
US6092761A (en) * 1998-07-29 2000-07-25 Clopay Plastic Products Company, Inc. In-line web separator
US6953510B1 (en) 1998-10-16 2005-10-11 Tredegar Film Products Corporation Method of making microporous breathable film
DE69911446T2 (de) 1998-10-16 2004-07-01 Exxonmobil Chemical Patents Inc., Baytown Verfahren zur herstellung von mikroporösen, atmungsfähigen polyethylenfolien
US6331343B1 (en) 1999-05-07 2001-12-18 3M Innovative Properties Company Films having a fibrillated surface and method of making
US6586073B2 (en) 1999-05-07 2003-07-01 3M Innovative Properties Company Films having a microfibrillated surface and method of making
JP4248783B2 (ja) * 1999-09-14 2009-04-02 クロペイ プラスチック プロダクツ カンパニー，インコーポレイテッド プラスチックフィルムおよび不織積層物の高速製造方法
US6472445B1 (en) 1999-12-27 2002-10-29 Tokuyama Corporation Polypropylene base porous film and production process for the same
JP3447653B2 (ja) * 2000-03-16 2003-09-16 日東電工株式会社 エレクトロルミネッセンス素子用部材およびそれを内蔵したエレクトロルミネッセンス素子
JP2002293973A (ja) 2001-03-30 2002-10-09 Tokuyama Corp ポリプロピレン系多孔質フィルム及びその製造方法
US6680114B2 (en) 2001-05-15 2004-01-20 3M Innovative Properties Company Fibrous films and articles from microlayer substrates
GB2380737A (en) * 2001-10-10 2003-04-16 Imerys Minerals Ltd Process for incorporating compacted calcium carbonate filler into a thermoplastic
GB2383046A (en) * 2001-12-12 2003-06-18 Imerys Minerals Ltd Calcium carbonate filler in stretched polyolefin film
US6692823B2 (en) 2001-12-19 2004-02-17 3M Innovative Properties Company Microfibrillated articles comprising hydrophillic component
US6753080B1 (en) * 2002-01-29 2004-06-22 3M Innovative Properties Company Receptor medium having a microfibrillated surface
US6911519B2 (en) * 2002-03-26 2005-06-28 University Of Connecticut Low viscosity melt processable high temperature polyimides
US6737158B1 (en) * 2002-10-30 2004-05-18 Gore Enterprise Holdings, Inc. Porous polymeric membrane toughened composites
CN1314734C (zh) * 2003-01-30 2007-05-09 上海杰事杰新材料股份有限公司 防水透气微孔膜、其制备方法及用途
US20100236969A1 (en) * 2009-03-19 2010-09-23 Board Of Trustees Of Michigan State University Poly(Lactic Acid) and Zeolite Composites and Method of Manufacturing the Same
WO2011071429A1 (en) 2009-12-10 2011-06-16 Sca Hygiene Products Ab Absorbent articles as carbon sinks
GB2476083A (en) * 2009-12-10 2011-06-15 Sca Hygiene Prod Ab Manufacturing a breathable polymer film
CN102275297A (zh) * 2011-08-05 2011-12-14 大连方盛塑料有限公司 一种制造多孔薄膜的方法
US20160032129A1 (en) * 2014-08-04 2016-02-04 Heritage Plastics, Inc. Mineral filled polymer compounds for curtain coating
JP6726953B2 (ja) 2015-04-15 2020-07-22 日東電工株式会社 伸縮性多孔質フィルムおよび物品
PL3284775T3 (pl) 2015-04-15 2022-06-06 Nitto Denko Corporation Rozciągliwa folia i zawierający ją wyrób
WO2017099179A1 (ja) * 2015-12-11 2017-06-15 株式会社ユポ・コーポレーション ポリオレフィン延伸多孔性フィルム
CN107245152B (zh) * 2017-05-15 2019-10-25 浙江大学 一种氧化镁/聚苯乙烯复合介电材料的制备方法
CN108928082A (zh) * 2018-08-01 2018-12-04 浙江金瑞薄膜材料有限公司 果蔬保鲜低阻湿高透气膜及其生产方法
KR102377872B1 (ko) * 2020-12-11 2022-03-24 주식회사 다솔인터내셔날 이중 시트 필름 구조의 복합 기능성 위생 장갑 및 그 제조 방법

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4922472A (enrdf_load_stackoverflow) * 1972-06-22 1974-02-27
US3903234A (en) * 1973-02-01 1975-09-02 Du Pont Process for preparing filled, biaxially oriented, polymeric film
US4187210A (en) * 1973-12-14 1980-02-05 E. I. Du Pont De Nemours And Company Homogeneous, highly-filled, polyolefin composites
US4350655A (en) * 1977-05-05 1982-09-21 Biax Fiberfilm Process for producing highly porous thermoplastic films
AU524460B2 (en) * 1978-08-11 1982-09-16 Asahi Kasei Kogyo Kabushiki Kaisha Microporous film
JPS5747334A (en) * 1980-09-03 1982-03-18 Mitsubishi Chem Ind Ltd Production of porous film or sheet
DE8113759U1 (de) * 1981-05-09 1981-07-30 Hoechst Ag, 6000 Frankfurt Einschlagfolie fuer Speisefette
DE3277120D1 (en) * 1981-06-09 1987-10-08 Mitsubishi Chem Ind Process for producing porous film or sheet
AU551948B2 (en) * 1983-12-16 1986-05-15 Mitsui Toatsu Chemicals Inc. Producing porous film
JPS60199036A (ja) * 1984-03-22 1985-10-08 Mitsui Toatsu Chem Inc 多孔性フイルム及びその製造法
JPS60199037A (ja) * 1984-03-22 1985-10-08 Mitsui Toatsu Chem Inc 多孔性フイルム及びその製造法
JPS61121925A (ja) * 1984-11-19 1986-06-09 Mitsubishi Petrochem Co Ltd 通気性フイルムの製造方法
US4698372A (en) * 1985-09-09 1987-10-06 E. I. Du Pont De Nemours And Company Microporous polymeric films and process for their manufacture
NZ218971A (en) * 1986-01-21 1989-05-29 Mitsui Toatsu Chemicals Porous polyolefin films and their preparation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6034010A (en) 1995-06-06 2000-03-07 Kimberly-Clark Worldwide, Inc. Microporous fabric containing a microbial adsorbent
US6110479A (en) 1995-06-06 2000-08-29 Kimberly-Clark Worldwide, Inc. Microporous film containing a microbial adsorbent

Also Published As

Publication number Publication date
NO865156D0 (no) 1986-12-18
DE3680493D1 (de) 1991-08-29
NO865156L (no) 1987-06-24
JPS62148537A (ja) 1987-07-02
NZ218669A (en) 1989-01-27
AU6682586A (en) 1987-07-02
US4921652A (en) 1990-05-01
KR870005779A (ko) 1987-07-07
JPH0580502B2 (enrdf_load_stackoverflow) 1993-11-09
EP0227037B1 (en) 1991-07-24
KR900003046B1 (ko) 1990-05-04
NO169080B (no) 1992-01-27
NO169080C (no) 1992-05-06
EP0227037A2 (en) 1987-07-01
CN86108657A (zh) 1987-09-09
CN1014064B (zh) 1991-09-25
EP0227037A3 (en) 1988-07-06
AU595565B2 (en) 1990-04-05

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Legal Events

Date Code Title Description
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